401326411 has 2 divisors, whose sum is σ = 401326412. Its totient is φ = 401326410.

The previous prime is 401326397. The next prime is 401326451. The reversal of 401326411 is 114623104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401326411 - 2¹⁵ = 401293643 is a prime.

It is a super-2 number, since 2×401326411² = 322125776332281842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401326451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200663205 + 200663206.

It is an arithmetic number, because the mean of its divisors is an integer number (200663206).

Almost surely, 2^401326411 is an apocalyptic number.

401326411 is a deficient number, since it is larger than the sum of its proper divisors (1).

401326411 is an equidigital number, since it uses as much as digits as its factorization.

401326411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 401326411 is about 20033.1328303888. The cubic root of 401326411 is about 737.6198244835.

Adding to 401326411 its reverse (114623104), we get a palindrome (515949515).

The spelling of 401326411 in words is "four hundred one million, three hundred twenty-six thousand, four hundred eleven".